Containers large-capacity

Hazardous Wastes Hazardous Wastes for deliveiy to a treatment or disposal facility normally are collected by the waste producer or a licensed, speciahzed hauler. Typically, the loading of collection vehicles is completed in one of two ways (1) wastes stored in large-capacity tanks are either drained or pumped into collection vehicles, and (2) wastes stored in sealed drums or other sealed containers are loaded by hand or by mechanical equipment onto flatbed trucks. To avoid accidents and possible loss of life, two collectors shoiild always be assigned when hazardous wastes are to be collected. 

Compactors. Large-capacity containers and container-trailers are used in conjunction with stationaiy compactors at transfer stations. In some cases, the compac tion mechanism is an integral part of the container. When containers are equipped with a self-contained compaction mechanism, the moveable bulkhead used to compress the wastes is also used to discharge the compacted wastes. 

A variety of materials have been p aolysed at temperatures near 700°C which showed behavior similar to that in Fig. 2 for the CRO550 sample [28-30]. Yata et al. [28] and Mabuchi et al. [29] noticed that their carbons heated at these temparatures contained substantial hydrogen. However, they proposed that the large capacity and hysteresis was due to the storage of lithium in the pores of the materials. It was our idea that the hydrogen in these materials could be playing a crucial role. Therefore we synthesized several series of materials at different temperatures and studied them. 

Note The reuse of drained hydraulic liquid is prohibited in most hydraulic systems. In some large-capacity systems the reuse of fluid is permitted. When liquid is drained from these systems for reuse, it must be stored in a clean and suitable container. The liquid must be strained and/or filtered when it is returned to the system reservoir. 

The process engineer must decide which operations require spare pumps. Obviously, if a system contains only one pump and that pump fails, there is no way to transfer the fluid and the process must eventually be shut down. If a spare pump is in place the process can be continued with almost no interruption. However, the initial cost of the plant is also increased by the cost of the pump and the price of its installation. For large-capacity systems an alternative is to place two pumps that can operate at about 55%-60% of the desired capacity in parallel with each other. Then when one fails the process merely needs to be cut back until repairs can be made. 

Some confusion exists in the terminology regarding liquid helium (LHe) containers. In the following, we shall call dewars the storage and the transport containers, and cryostats the cryogen containers used in experiments. Because of their large capacity (typically... 

In addition to the crystalline clays described earlier, there are some materials that act like clays but do not have crystalline structure. Amorphous clays do not have a definite X-ray diffraction pattern and are differentiated from the crystalline clays on this basis. They are composed of mixtures of alumina, silica, and other oxides and generally have high sorptive and cation exchange capacities. Few soils contain large amounts of amorphous clays [2],... 

Place the Coplin jars or containers in the center of the microwave s turntable, cover containers with loose-fitting lids or screw caps, and heat at maximum power (700-1000 W) (see Note 9). The time of irradiation depends on the power setting of the microwave, the type of container used, and the volume of buffer. The solution should boil for 3-5 min. A large capacity microwaveable plastic container containing as much as 600 mL of citrate buffer may require a 30-min heating cycle (11). 

Figure 4.14. Separation of cell lysates containing pharmaceutical products, employing large-capacity centrifuges that are configured with tubular bowl (A), multi-chamber bowl (B), disc stack bowl (C), or decanter (scroll) bowl (D).

Pecan flour suspensions exhibited poor foaming properties. Not only were the capacities and soluble protein values low, but the foams produced were thin and contained large, unstable air... 

In an atmospheric spray tower the air movement - is dependent on atmospheric conditions and the aspirating effect of the spray nozzles. Natural-draft cooling tower operation depends on a chimney or stack to induce air movement. Mechanical-draft cboling towers utilize fans to move ambient air through the tower. Deck-filled towers contain tiers of splash bars or decks to assist in the breakup of water drops to increase the total water surface and subsequently the evaporation rate. Spray-filled towers depend only on spray nozzles for water breakup. Coil shed towers are comprised of a combination structure of a cooling tower installed on top of a substructure that contains atmospheric section coils. Hyperbolic natural-draft cooling towers are typically large-capacity systems. 

Coal beds typically contain large amounts of methane-rich gas that is adsorbed onto the surface of the coal. The current practice for recovering coal bed methane is to depressurize the bed, usually by pumping water out of the reservoir. An alternative approach is to inject C02 gas into the bed. Tests have shown that the adsorption rate for COz to be approximately twice that of methane, giving it the potential to efficiently displace methane and remain sequestered in the bed. C02 recovery of coal bed methane has been demonstrated in limited field tests, but much more work is necessary to understand and optimize the process, particularly the capacity of coal beds with respect to COz and methane. 

Filter devices to protect against hazardous and/or lethal gases and vapors are divided a) into types according to the kind of gas to be filtered and b) into classes according to their capacity. Filters of class 3 with a large capacity are stored externally, usually in a container to be carried at one s side, since they are too heavy to be carried on the mask. They are connected to the mask with a hose. Filters of class 2 are screwed into the mask and form the majority of all used filter types. Filters of class 1 are plug-in filters. 

The cost of transporting wood chips by truck and by pipeline as a water slurry was determined. In a practical application of field delivery by truck of biomass to a pipeline inlet, the pipeline will only be economical at large capacity (>0.5 million dry t/yr for a one-way pipeline, and >1.25 million dry t/yr for a two-way pipeline that returns the carrier fluid to the pipeline inlet), and at medium to long distances (>75 km [one-way] and >470 km [two-way] at a capacity of 2 million dry t/yr). Mixed hardwood and softwood chips in western Canada rise in moisture level from about 50% to 67% when transported in water the loss in lower heating value (LHV) would preclude the use of water slurry pipelines for direct combustion applications. The same chips, when transported in a heavy gas oil, take up as much as 50% oil by weight and result in a fuel that is >30% oil on mass basis and is about two-thirds oil on a thermal basis. Uptake of water by straw during slurry transport is so extreme that it has effectively no LHV. Pipeline-delivered biomass could be used in processes that do not produce contained water as a vapor, such as supercritical water gasification. 

Mead is a traditional alcoholic beverage obtained by fermenting mead wort that contains 8-18% (v/v) ethanol. Its production has been known since ancient times. However, mead fermentation and maturation requires an extended period, often lasting several months to years. Mead still remains a relatively empirical and manual exercise, requiring large capacity vessels and the investment of considerable capital in terms of the raw material. In addition, the fermentation rate depends on several factors, such as honey variety, yeast strain, yeast nutrition, and pH. Due to the lack of scientific investigation, mead production has suffered in comparison with other alcoholic beverages and so more research is needed to optimize the production process. 

Ammonia production requires storage facilities to smooth over fluctuations in production, usage and shipments. Ammonia is stored in bulk in large capacity containers installed above or below ground. It is distributed to point of use almost exclusively as a liquid. Gaseous ammonia sometimes is used within plants74. 

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